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BR112022002755A2 - Systems and methods for operating ue in the presence of cca - Google Patents

Systems and methods for operating ue in the presence of cca

Info

Publication number
BR112022002755A2
BR112022002755A2 BR112022002755A BR112022002755A BR112022002755A2 BR 112022002755 A2 BR112022002755 A2 BR 112022002755A2 BR 112022002755 A BR112022002755 A BR 112022002755A BR 112022002755 A BR112022002755 A BR 112022002755A BR 112022002755 A2 BR112022002755 A2 BR 112022002755A2
Authority
BR
Brazil
Prior art keywords
cca
measurement
systems
methods
drs
Prior art date
Application number
BR112022002755A
Other languages
Portuguese (pt)
Inventor
Iana Siomina
Ali Kazmi Muhammad
Santhan Thangarasa
Original Assignee
Ericsson Telefon Ab L M
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Publication of BR112022002755A2 publication Critical patent/BR112022002755A2/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/04—Reselecting a cell layer in multi-layered cells
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H04W74/0808—Non-scheduled access, e.g. ALOHA using carrier sensing, e.g. carrier sense multiple access [CSMA]
    • H04W74/0816—Non-scheduled access, e.g. ALOHA using carrier sensing, e.g. carrier sense multiple access [CSMA] with collision avoidance
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/08—Reselecting an access point
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/24—Reselection being triggered by specific parameters
    • H04W36/249—Reselection being triggered by specific parameters according to timing information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H04W74/0866—Non-scheduled access, e.g. ALOHA using a dedicated channel for access
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/20—Manipulation of established connections
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/14—Reselecting a network or an air interface
    • H04W36/144—Reselecting a network or an air interface over a different radio air interface technology
    • H04W36/1446—Reselecting a network or an air interface over a different radio air interface technology wherein at least one of the networks is unlicensed
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H04W74/0808—Non-scheduled access, e.g. ALOHA using carrier sensing, e.g. carrier sense multiple access [CSMA]

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

sistemas e métodos para operação de ue na presença de cca. sistemas e métodos para operação de equipamento de usuário (ue) na presença de avaliação de canal livre (cca) são providos. em algumas modalidades, um método desempenhado por um dispositivo sem fio para a seleção de células considerando requisitos inclui: determinar um período de medição em uma célula servidora para a seleção de célula ou resseleção de célula (t1), em que o período de medição é determinado com base em um número de ciclos de recepção descontínua (drx) consecutivos; determinar um número de ocasiões de medição configuradas com um sinal de referência de descoberta (drs) na célula servidora durante t1; determinar a disponibilidade do drs nas ocasiões de medição; e desempenhar medição com base na disponibilidade do drs nas ocasiões de medição durante t1. desta forma, um dispositivo sem fio pode operar em nr rrc_idle/ rrc_inactive na presença de cca, por exemplo, listen-before-talk (lbt).systems and methods for operating ue in the presence of cca. systems and methods for operating user equipment (ue) in the presence of free channel evaluation (cca) are provided. In some embodiments, a method performed by a wireless device for cell selection considering requirements includes: determining a measurement period in a serving cell for cell selection or cell reselection (t1), where the measurement period is determined based on a number of consecutive discontinuous reception cycles (drx); determining a number of measurement occasions configured with a discovery reference signal (drs) in the serving cell during t1; determine the availability of drs on measurement occasions; and perform measurement based on drs availability at measurement occasions during t1. in this way, a wireless device can operate on nr rrc_idle/ rrc_inactive in the presence of cca, eg listen-before-talk (lbt).

BR112022002755A 2019-08-16 2020-08-14 Systems and methods for operating ue in the presence of cca BR112022002755A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201962887935P 2019-08-16 2019-08-16
PCT/EP2020/072902 WO2021032641A1 (en) 2019-08-16 2020-08-14 Systems and methods for ue operation in presence of cca

Publications (1)

Publication Number Publication Date
BR112022002755A2 true BR112022002755A2 (en) 2022-05-10

Family

ID=72148095

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112022002755A BR112022002755A2 (en) 2019-08-16 2020-08-14 Systems and methods for operating ue in the presence of cca

Country Status (6)

Country Link
US (1) US20220330339A1 (en)
EP (1) EP4014566A1 (en)
JP (1) JP2022544586A (en)
BR (1) BR112022002755A2 (en)
PH (1) PH12022550351A1 (en)
WO (1) WO2021032641A1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111372227B (en) * 2020-02-19 2021-10-26 锐迪科微电子（上海）有限公司 Signal detection method, device, equipment and storage medium
CN114828281A (en) * 2021-01-20 2022-07-29 华硕电脑股份有限公司 Method and apparatus for channel access in wireless communication system
WO2022205037A1 (en) * 2021-03-31 2022-10-06 Apple Inc. Mitigation of listen before talk conflicts in the unlicensed spectrum
US20230068504A1 (en) 2021-09-02 2023-03-02 Qualcomm Incorporated Data collection reporting for non-terrestrial network cells
EP4442029A1 (en) * 2021-11-29 2024-10-09 Telefonaktiebolaget LM Ericsson (publ) Performing measurements according to relaxed criteria
WO2023128849A1 (en) * 2021-12-31 2023-07-06 Telefonaktiebolaget Lm Ericsson (Publ) Cell selection during operation in unlicensed spectrum
GB2619279B (en) * 2022-05-25 2024-07-10 Nokia Technologies Oy Channel assessment determination in telecommunication systems
WO2024234216A1 (en) * 2023-05-15 2024-11-21 Qualcomm Incorporated Cell re-selection transition periods for cell detection

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011097729A1 (en) * 2010-02-12 2011-08-18 Research In Motion Limited Methods and apparatus to perform measurements
EP3606178B1 (en) * 2014-08-07 2021-10-06 Telefonaktiebolaget LM Ericsson (publ) Aligning measurement gaps and discovery signals
EP3437359B1 (en) * 2016-04-01 2022-06-01 Telefonaktiebolaget LM Ericsson (PUBL) Methods for controlling relative measurements in the presence of lbt
US20190313324A1 (en) * 2016-10-10 2019-10-10 Nokia Solutions And Networks Oy Method and Apparatus for Cell Detection in Unlicensed Communication Systems
US11477789B2 (en) * 2017-11-15 2022-10-18 Idac Holdings, Inc. Methods, apparatuses and systems for configuring/reconfiguring physical channel monitoring occasion in a wireless network
CN113039838A (en) * 2019-02-14 2021-06-25 诺基亚技术有限公司 UE power saving based on stationarity
US12028806B2 (en) * 2019-06-12 2024-07-02 Nokia Technologies Oy Beam based mobility state for UE power saving

Also Published As

Publication number Publication date
JP2022544586A (en) 2022-10-19
WO2021032641A1 (en) 2021-02-25
PH12022550351A1 (en) 2022-12-12
EP4014566A1 (en) 2022-06-22
US20220330339A1 (en) 2022-10-13

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